Finding the Fourth Proportional to 1,288,361.94, 1,931,749.17 and 435,352.98
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Solution
The fourth proportional to 1,288,361.94, 1,931,749.17 and 435,352.98 is: 652,761.26
Step by Step Solution
- Step 1: Write the proportion equation
1,288,361.94 : 1,931,749.17 = 435,352.98 : x - Step 2: Convert to fraction form
1,288,361.94/1,931,749.17 = 435,352.98/x - Step 3: Cross multiply
1,288,361.94x = 1,931,749.17 × 435,352.98 - Step 4: Simplify right side
1,288,361.94x = 840,992,757,772.03 - Step 5: Solve for x
x = 840,992,757,772.03/1,288,361.94 - Step 6: Final answer
x = 652,761.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.